Home / 147,586.95-221,498.37-76,529.79

Finding the Fourth Proportional to 147,586.95, 221,498.37 and 76,529.79

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Solution

The fourth proportional to 147,586.95, 221,498.37 and 76,529.79 is: 114,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,586.95 : 221,498.37 = 76,529.79 : x
  2. Step 2: Convert to fraction form
    147,586.95/221,498.37 = 76,529.79/x
  3. Step 3: Cross multiply
    147,586.95x = 221,498.37 × 76,529.79
  4. Step 4: Simplify right side
    147,586.95x = 16,951,223,741.44
  5. Step 5: Solve for x
    x = 16,951,223,741.44/147,586.95
  6. Step 6: Final answer
    x = 114,855.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.